LEADER 04050nam 22005535 450 001 9910480370403321 005 20210715175807.0 010 $a3-540-60592-4 010 $a3-642-88710-4 024 7 $a10.1007/978-3-642-88710-9 035 $a(CKB)3400000000109843 035 $a(SSID)ssj0001007177 035 $a(PQKBManifestationID)11572480 035 $a(PQKBTitleCode)TC0001007177 035 $a(PQKBWorkID)10952571 035 $a(PQKB)11140549 035 $a(DE-He213)978-3-642-88710-9 035 $a(MiAaPQ)EBC3098128 035 $a(EXLCZ)993400000000109843 100 $a20121227d1996 u| 0 101 0 $aeng 135 $aurnn#008mamaa 181 $ctxt 182 $cc 183 $acr 200 10$aWind Turbine Noise$b[electronic resource] /$fby Siegfried Wagner, Rainer Bareiß, Gianfranco Guidati 205 $a1st ed. 1996. 210 1$aBerlin, Heidelberg :$cSpringer Berlin Heidelberg :$cImprint: Springer,$d1996. 215 $a1 online resource (XVII, 204 p.) 300 $aBibliographic Level Mode of Issuance: Monograph 311 $a1-907132-30-9 311 $a3-642-88712-0 320 $aIncludes bibliographical references. 327 $a1 Introduction -- 1.1 Current Situation of Wind Energy and Perspectives -- 1.2 Advantages of Wind Energy -- 1.3 Current Problems of Wind Energy -- 1.4 Road Map of the Book -- 2 Noise and its Effects -- 2.1 Sound and Noise -- 2.2 Definitions -- 2.3 Noise Regulations -- 3 Introduction to Aeroacoustics -- 3.1 Introduction -- 3.2 Definitions -- 3.3 The Linear Wave Equation -- 3.4 Elementary Solutions of the Wave Equation -- 3.5 Lighthill?s Acoustic Analogy -- 3.6 The Influence of Boundaries -- 3.7 Application of Aeroacoustic Theory -- 3.8 Conclusions -- 4 Noise Mechanisms of Wind Turbines -- 4.1 Classification of Noise Mechanisms -- 4.2 Low-Frequency Noise -- 4.3 Inflow-Turbulence Noise -- 4.4 Airfoil Self-Noise -- 4.5 Summary -- 5 Noise Prediction -- 5.1 Introduction -- 5.2 Low-Frequency Noise -- 5.3 High-Frequency Noise -- 5.4 Summary -- 6 Noise Propagation -- 6.1 Introduction -- 6.2 Mechanisms -- 6.3 Prediction -- 6.4 Results -- 6.5 Summary -- 7 Measurement of Noise and Flow Field -- 7.1 Acoustic Measurement in the Wind Tunnel -- 7.2 Acoustic Measurements on Operating Turbines -- 7.3 Flow Visualization on Operating Turbines -- 8 Noise Reduction -- 8.1 Introduction -- 8.2 Reduction of Tip Speed and Angle of Attack -- 8.3 Reduction of Trailing-Edge Noise -- 8.4 Reduction of Tip Noise -- 8.5 Reduction of Inflow-Turbulence Noise -- 8.6 Reduction of Blunt-Trailing-Edge Noise -- 8.7 Conclusions -- 9 Future Work -- 10 References -- 10.1 Recommended References -- 10.2 List of References -- Annex: Description of Tip Planform Shapes. 330 $aOver the last five years an enormous number of wind turbines have been installed in Europe, bringing wind energy into public awareness. However, its further development is restricted mainly by public complaints caused by visual impact and noise. The European Commission has therefore funded a number of research projects in the field of wind turbine noise within the JOULE program. This book presents the most relevant results of these projects. The book addresses all relevant aspects of wind turbine noise, namely: noise reduction, noise propagation, noise measurement, and an introduction to aeroacoustics. It may serve as a first reference in the field of wind turbine noise for researchers, planners, and manufacturers. Fachgebiet: Environmental Engineering Zielgruppe: Research and Development. 606 $aNoise control 606 $aRenewable energy sources 606 $aSound 615 0$aNoise control. 615 0$aRenewable energy sources. 615 0$aSound. 676 $a363.74 700 $aWagner$b Siegfried$f1869-1930,$4aut$01042234 702 $aBareiss$b R$g(Rainer),$f1965-$4aut 702 $aGuidati$b G$g(Gianfranco),$f1968-$4aut 906 $aBOOK 912 $a9910480370403321 996 $aWind Turbine Noise$92466314 997 $aUNINA LEADER 01978nam 2200397z- 450 001 9910572197303321 005 20220602 035 $a(CKB)5860000000047734 035 $a(oapen)https://directory.doabooks.org/handle/20.500.12854/82596 035 $a(oapen)doab82596 035 $a(EXLCZ)995860000000047734 100 $a20202206d2022 |y 0 101 0 $aita 135 $aurmn|---annan 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aFenomenologia del concetto di e?lite e network analysis come metodo di information retrieval 210 $aMilan$cFrancoAngeli$d2022 215 $a1 online resource (205 p.) 225 1 $aFondazione Trentino Università 311 08$a88-351-4034-X 330 $aAccording to Sartori, "Language is the sine-qua-non instrument of knowing". 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